TY - RPRT TI - Analytical results for directional and quadratic selection gradients for log-linear models of fitness functions AU - Michael Morrissey AU - Ian B. J. Goudie PY - 2016 DO - 10.1101/040618 UR - https://www.biorxiv.org/content/10.1101/040618v1 ID - 10.1101/040618 ER -